/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 2001, 2002,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xerces.internal.impl.xs.opti;

import org.w3c.dom.Node;
import org.w3c.dom.Attr;
import org.w3c.dom.NamedNodeMap;

import org.w3c.dom.DOMException;


/**
 * @author Rahul Srivastava, Sun Microsystems Inc.
 * @xerces.internal
 */
public class NamedNodeMapImpl implements NamedNodeMap {

  Attr[] attrs;

  public NamedNodeMapImpl(Attr[] attrs) {
    this.attrs = attrs;
  }

  public Node getNamedItem(String name) {
    for (int i = 0; i < attrs.length; i++) {
      if (attrs[i].getName().equals(name)) {
        return attrs[i];
      }
    }
    return null;
  }

  public Node item(int index) {
    if (index < 0 && index > getLength()) {
      return null;
    }
    return attrs[index];
  }

  public int getLength() {
    return attrs.length;
  }

  public Node getNamedItemNS(String namespaceURI, String localName) {
    for (int i = 0; i < attrs.length; i++) {
      if (attrs[i].getName().equals(localName) && attrs[i].getNamespaceURI().equals(namespaceURI)) {
        return attrs[i];
      }
    }
    return null;
  }

  public Node setNamedItemNS(Node arg) throws DOMException {
    throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
  }

  public Node setNamedItem(Node arg) throws DOMException {
    throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
  }

  public Node removeNamedItem(String name) throws DOMException {
    throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
  }

  public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
    throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
  }
}
